Support Giga AM transducer V2 (#2136)

scripts/nemo/GigaAM/run-rnnt-v2.sh

@@ -0,0 +1,29 @@
+#!/usr/bin/env bash
+# Copyright    2025  Xiaomi Corp.        (authors: Fangjun Kuang)
+
+set -ex
+
+function install_gigaam() {
+  curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
+  python3 get-pip.py
+  pip install torch==2.4.0 torchaudio==2.4.0 -f https://download.pytorch.org/whl/torch_stable.html
+  pip install -qq wget text-unidecode "matplotlib>=3.3.2" onnx onnxruntime==1.17.1 pybind11 Cython einops kaldi-native-fbank soundfile librosa
+
+  BRANCH='main'
+  python3 -m pip install git+https://github.com/salute-developers/GigaAM.git@$BRANCH#egg=gigaam
+
+  python3 -m pip install -qq kaldi-native-fbank
+  pip install numpy==1.26.4
+}
+
+function download_files() {
+  curl -SL -O https://huggingface.co/csukuangfj/tmp-files/resolve/main/GigaAM/example.wav
+  curl -SL -O https://github.com/salute-developers/GigaAM/blob/main/LICENSE
+}
+
+install_gigaam
+download_files
+
+python3 ./export-onnx-rnnt-v2.py
+ls -lh
+python3 ./test-onnx-rnnt.py